SOLUTION: My question is regarding Sessa's reward. What is the equation to determine the total number of grains of rice after 64 days?
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Question 136061: My question is regarding Sessa's reward. What is the equation to determine the total number of grains of rice after 64 days?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
My question is regarding Sessa's reward. What is the equation to determine the total number of grains of rice after 64 days?
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It's probably 1+2+2^2+2^3+2^4+2^5+ ...+ 2^63
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S(n) = a[r^n-1]/[r-1] where r = 2
S(64)= 1[2^64 -1]/[2-1] = 2^64 -1 -1.844674407 x 10^19 grains
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Cheers,
Stan H.
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